CVE-2025-29941

Published Nov 10, 2026 CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Description
Incorrect usage of seeds in pseudo-random number generator in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor or migration agent to import a forged guest context potentially resulting in loss of confidentiality for derived guest keys.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Seed Handling Flaw in AMD SEV Firmware Enables Forged Context Import
Type Values Removed Values Added
First Time appeared Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 8005 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 8005 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Type Values Removed Values Added
Title Seed Handling Flaw in AMD SEV Firmware Enables Forged Context Import
Type Values Removed Values Added
Title SEV Firmware Seed Misuse Allowing Guest Key Compromise
Type Values Removed Values Added
Title SEV Firmware Seed Misuse Allowing Guest Key Compromise
Type Values Removed Values Added
Description Incorrect usage of seeds in pseudo-random number generator in the Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor or migration agent to import a forged guest context potentially resulting in loss of confidentiality for derived guest keys.
Weaknesses CWE-335
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N'}